Medical records indicate that people with more education tend to live longer; the correlation is 0.48. The slope of the linear model that predicts lifespan from years of education suggests that on average people tend to live 0.8 extra years for each additional year of education they have. The slope of the line that would predict years of education from lifespan is
Answers
Answer:
0.288
Step-by-step explanation:
Given that :
Correlation (R) = 0.48
Slope of linear model which predicts Lifespan from years of education (m) = 0.8
To determine the value of slope of the model which predicts years of eductauoon from lifespan:
The square of the regression Coefficient is multiplied by the inverse of the slope of linear model which predicts Lifespan from years of education
Hence,
(R² * 1/m)
0.48² * 1/0.8
0.2304 * 1.25
= 0.288
Final answer:
The slope of the line that predicts years of education from lifespan is 1.25.
Explanation:
The slope of the line that predicts years of education from lifespan can be determined by taking the reciprocal of the slope that predicts lifespan from years of education. In this case, the slope of the line that predicts years of education from lifespan would be 1 divided by 0.8, which equals 1.25.
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What appears to be the domain of the part of the exponential function graphed?A) 1 ≤ x ≤ 6 B) 1 ≤ ƒ(x) ≤ 6 C) –2 ≤ x ≤ 2 D) –2 ≤ ƒ(x) ≤ 2
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Answers
The Circumference of the circle will be 31.4 feet.
What is circumference of a circle?
Circumference of a circle is the perimeter of a circle.
i.e.
Circumference of a circle = 2πr
We have,
Diameter of circle= 10 feet
So,
Radius of circle feet
Now,
Using the above mentioned formula,
Circumference of a circle = 2πr
i.e.
Circumference of a circle = 2 * 3.14 * 5
So,
Circumference of a circle = 31.4 feet
Hence, we can say that the Circumference of the circle will be 31.4 feet.
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Answer:
Step-by-step explanation:
31.4 feet
The negative x-intercept is at
The positive x-intercept is at
0).
Answers
Answer:
( -1/3 , 0 )
( 4 , 0 )
Answers
y = N/S dimension
4x + 4x + 2y + 2y = 64
8x + 4y = 64
4y = 64 - 8x
y = 16 - 2x
Area = xy = x(16 - 2x) = 16x - 2x^2
Maximum of y = ax^2 + bx + c is when x = -b / 2a
so x = -16 / -4 = 4
Answers
Answer:
see below
Step-by-step explanation:
the actual way of writing sin inverse is arcsine, not sin⁻¹
since the output of sin is from -1 to 1, the domain of arsince is from -1 to 1. This is different than 1/sin(x), whose domain is all real numbers. we now write sin⁻¹ to fit it on the tiny buttons on our calculators
Answers
Answer:
Question 1
Blank 1: 24m
Blank2: 42n
Question 2
Blank 1
164,340
Answer:
1rst Blank: 24 m
second blank :42
question 2 , Blank 1 : 164 , 340
I hope this helps!
Answers
Answer:
p = 0.48
Step-by-step explanation:
A binomial experiment is and experiment with n trials, every trial is identical and independent and every trial has the same probability p of success and 1-p of fail.
Then, we have a binomial experiment of 16 trials. it means that every trial has the same conditions. So, if the probability of success on trial 9 is 0.48, the probability of success on trial 13 is also 0.48.